starocean999 commented on code in PR #39284:
URL: https://github.com/apache/doris/pull/39284#discussion_r1849612479
##########
fe/fe-core/src/main/java/org/apache/doris/nereids/rules/rewrite/mv/SelectMaterializedIndexWithoutAggregate.java:
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@@ -234,6 +234,7 @@ public static LogicalOlapScan select(
// So only base index and indexes that have all the keys could be
used.
List<MaterializedIndex> candidates =
table.getVisibleIndex().stream()
.filter(index ->
table.getKeyColumnsByIndexId(index.getId()).size() == baseIndexKeySize)
+ .filter(index -> containAllKeyColumns(table, index))
Review Comment:
Does duplicate key table need this check?
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